017-805-B5-006, Rev. F, Effective 08/06 2006 Alpha Technologies

Uninterruptible Power Supplies - Preliminary Inspection

3. Verify the interconnect ribbon cable is secure and fully seated on both the Power Distribution Board (D) and the inverter module (E). If changes are necessary to the settings of the Power Distribution Board (PDB) DIP switches (F), refer to either the chassis-mounted labels (beneath the inverter module) or read the complete XM2 Technical Manual.

4. Ensure the metal chassis of the inverter module (and not the printed circuit board) is engaged in the card guides during reinsertion. Once the module is reinserted, tighten the captive screws

(Step 2, B).

2. Prior to the installation of the XM2 power supply, look into the inverter module opening, to the rear wall of the power supply chassis, and verify the output voltage tap connection (C) is in the correct position.

C

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D

F

NOTEThe complete XM2 Technical Manual is available at www.alpha.com; from the Products list, select AC Power/UPS, then Cable TV Outside Plant/Power Supplies.

Or, call 1-800-863-3930 for assistance.(7:00 AM to 5:00 PM Pacifi c Time)

E

1. Loosen the three captive screws (A) and slide the inverter module from chassis by the handle (B).

B

A

A

017-805-B5-006, Rev. F, Effective 08/06 2006 Alpha Technologies

.

Page 2 of 2

Before applying power, verify AC input utility. Verify a low-resistance ground is installed in accordance with the NEC.

NOTE:

Uninterruptible Power Supplies - Pre-Service Checklist

5

1, 7

11

Verify Service Power Inserter (SPI) toggle switch in ON position (not ALT).Connect the SPI (network load) to the Output 1A connector. (Optional) connect an auxiliary load (i.e. fan) to the Output 1B connector. Perform live inverter test.

Turn AC input breaker OFF.

Verify XM2 transfers to Inverter mode.

Turn AC input breaker ON.

Verify XM2 transfers back to utility.

10.

11.12.

13.

10

(Example Only)

7

12

2, 3

4

6

9

CONGRATULATIONS!Once the self-test and live-inverter tests have been successfully completed, the unit is ready to be placed into service.

Turn battery breaker OFF.Check battery cables for correct polarity (Red +, Black -).Connect battery cables to battery input connector(observe color/polarity). Insert temperature probe and Local/Remote Indicator (LRI).Connect status monitoring connectors, including tamper switch (if installed).Switch enclosure AC breaker ON; measure and verify correct AC voltage at utility outlet.Switch battery breaker ON and connect the XM2 to the utility outlet.Verify no alarms are present (it may take up to 60 seconds for the NO BATTERIES alarm to clear).Initiate self-test by simultaneously pressing the DOWN arrow key, and ENTER key. Wait for Self-test completion before proceeding.

1.2.3.

4.5.

6.

7.

8.

9.

Pre-Service Connection Procedure

4

8

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